A fiction writer begins working on a biography of a pilot who went down during the test flight of a new plane and finds himself soon involved in a series of murders.

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Main Cast: John Justin, Margaret Leighton, Duncan Lamont, Raymond Huntley, Meier Tzelniker, Roland Culver, Michael Medwin, Jane Wenham, George Coulouris, Harry Locke

Director: Wendy Toye

Writers: Francis Durbridge, James Mathews

Editor: Bert Rule

Cinematographer: Jack Hildyard

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